Google researchers claim to have made a breakthrough in quantum error correction, one that could pave the way for quantum computers that finally live up to the technology's promise. Proponents of quantum computers say the machines will be able to benefit scientific discovery in fields ranging from particle physics to drug and materials design-if only...

This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. Google says it's made a quantum computing breakthrough that reduces errors The news: Google researchers claim to have made a breakthrough in quantum error correction, one that could pave the way for quantum...